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CVE-2025-71120

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf A zero length gss_token results in pages == 0 and in_token->pages[0] is NULL. The code unconditionally evaluates page_address(in_token->pages[0]) for the initial memcpy, which can dereference NULL even when the copy length is 0. Guard the first memcpy so it only runs when length > 0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:34c7e596d4d02f77c5b640dfe95ac4d69a8cb10e15eaf12e621ef91f2410b798
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 7 assertions

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/4

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/2

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/sunrpc/auth_gss/svcauth_gss.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.5"},{"lessThan":"5.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.248","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.198","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.160","versionType":"semver"}…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sunrpc/auth_gss/svcauth_gss.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a8f1e445ce3545c90d69c9e8ff8f7821825fe810","status":"affected","version":"5866efa8cbfbadf3905072798e96652faf02dbe8","versionType":"git"},{"lessThan":"4dedb6a11243a5c9eb9dbb97bca3c98bd725e83d","status":"affected","version":"5866efa8cbfbadf3905072798e96652faf02dbe8","versionType":"git"},{"lessThan":"f9e53f69ac3bc4ef568b08d3542edac02e83fefd","status":"affected","version":"5866efa8cbfb…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/3

Affected products and versions

7 source assertions
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/4
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/2
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/sunrpc/auth_gss/svcauth_gss.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.5"},{"lessThan":"5.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.248","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.198","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.160","versionType":"semver"}…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sunrpc/auth_gss/svcauth_gss.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a8f1e445ce3545c90d69c9e8ff8f7821825fe810","status":"affected","version":"5866efa8cbfbadf3905072798e96652faf02dbe8","versionType":"git"},{"lessThan":"4dedb6a11243a5c9eb9dbb97bca3c98bd725e83d","status":"affected","version":"5866efa8cbfbadf3905072798e96652faf02dbe8","versionType":"git"},{"lessThan":"f9e53f69ac3bc4ef568b08d3542edac02e83fefd","status":"affected","version":"5866efa8cbfb…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/adp/1/references/0
{"url":"https://git.kernel.org/stable/c/1c8bb965e9b0559ff0f5690615a527c30f651dd8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/4dedb6a11243a5c9eb9dbb97bca3c98bd725e83d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/7452d53f293379e2c38cfa8ad0694aa46fc4788b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/a2c6f25ab98b423f99ccd94874d655b8bcb01a19"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/a8f1e445ce3545c90d69c9e8ff8f7821825fe810"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/d4b69a6186b215d2dc1ebcab965ed88e8d41768d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/f9e53f69ac3bc4ef568b08d3542edac02e83fefd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:65efff1f27ad6d52249149de8c3c41c909bb27abc209343b55017482bd6b3c8b · sha256:72c9ddf9867d3e19… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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